Maintain consistent code formatting, naming conventions, and structure across the entire codebase with automated tools and clear standards. Use this skill when writing any code in any language or framework. When naming variables, functions, classes, or files. When formatting code with proper indentation and line breaks. When refactoring code to remove duplication or extract reusable functions. When running linters or formatters to ensure consistency. When removing dead code, unused imports, or commented-out blocks. When applying DRY principles to avoid code duplication. This skill applies universally to all programming tasks.